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It's hard to say and even with the best anti-spam system you will still get some spam seeping thru from time to time. &nbsp;What kind of anti-spam system do you have? &nbsp;You may also want to turn of grey listing. &nbsp;From experience this cut down the spam by half if not more. &nbsp;I have this on the anti-spam server not Exchange but you also do it on Exchange with some tweaks.<br />
<br />
Here is more info on grey listing: <a href="http://www.msexchange.org/kbase/ExchangeServerTips/ExchangeServer2007/SecurityMessageHygiene/CanExchange2007doGreylisting.html" rel="ugc">Can Exchange 2007 do Greylisting?</a>
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It's hard to say and even with the best anti-spam system you will still get some spam seeping thru from time to time.  What kind of anti-spam system do you have?  You may also want to turn of grey listing.  From experience this cut down the spam by half if not more.  I have this on the anti-spam server not Exchange but you also do it on Exchange with some tweaks.

Here is more info on grey listing: Can Exchange 2007 do Greylisting? [http://www.msexchange.org/kbase/ExchangeServerTips/ExchangeServer2007/SecurityMessageHygiene/CanExchange2007doGreylisting.html]

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Without more info. on your question???<br />
<br />
Follow the general safety rule.<br />
Do not open any emails that are from unknown senders.
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Without more info. on your question???

Follow the general safety rule.
Do not open any emails that are from unknown senders.

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PineApp . E-mail does not pass. Through the system, <br />
I think he could send it through the ex <br />
port 25 is PineApp and 443 is owa&amp;Mobile
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PineApp . E-mail does not pass. Through the system,
I think he could send it through the ex
port 25 is PineApp and 443 is owa&Mobile

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<div class="content wysiwyg-content">
Hello everyone.<br />
How can I prevent the attacks they have passed the spam system<br />
server 2003 <br />
ex 07
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Hello everyone.
How can I prevent the attacks they have passed the spam system
server 2003 
ex 07

how to prevent nigerian scams

Security is the protection of information systems from theft or damage to the hardware, the software, and the information on them, as well as from disruption or misdirection of the services they provide. The main goal of security is protecting assets, and an asset is anything of value and worthy of protection.  Information Security is a discipline of protecting information assets from threats through safeguards to achieve the objectives of confidentiality, integrity, and availability or CIA for short. On the other hand, disclosure, alteration, and disruption (DAD) compromise the security objectives.